*{
    margin: 0;
    padding: 0;
}
body{
    background-color: #f3f5f7;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
.w{
    width: 1200px;
    margin: auto;
}
.clearfix:before,.clearfix:after {
    content: "";
    display: block;
    clear: both;
}
.clearfix {
    zoom: 1;
}
/* header区域 */
.header{
    height: 42px;
    margin: 30px auto;
    /* background-color: pink; */
}
.logo{
    float: left;
    height: 42px;
    width: 195px;
}
.nav{
    float: left;
    margin-left: 60px;
}
.nav ul li{
    float: left;
    margin: 0 15px;
}
.nav ul li a{
    display: block;
    height: 42px;
    padding: 0 5px;
    line-height: 42px;
    font-size: 18px;
    color: #050505;
}
.nav ul li a:hover{
    color: #00a4ff;
    border-bottom: 2px solid #00a4ff;
}
/* .nav_checked{
    border-bottom: 2px solid #00a4ff;
} */
.search{
    float: left;
    /* width: 410px; */
    height: 42px;
    margin-left: 65px;
}
.search input{
    float: left;
    height: 40px;
    width: 360px;
    line-height: 42px;
    padding-left: 20px;
    border: 1px solid #00a4ff;
    border-right: 0;
    font-size: 14px;
    color: #bfbfbf;
}
.search button{
    float: left;
    width: 50px;
    height: 42px;
    border: 0;
    background: url(../images/fa-search.png);
}
.user{
    float: right;
    height: 42px;
    line-height: 42px;
    margin-right: 30px;
    font-size: 14px;
    color: #626262;
}
.user img{
    vertical-align:middle;
    border-radius: 33px;
}
/* banner区域 */
.banner{
    height: 420px;
    background-color: #1c036c;
}
.banner .w{
    height: 420px;
    background: url(../images/banner2.png) no-repeat scroll top center;
}
.subnav{
    float: left;
    width: 192px;
    height: 420px;
    background: rgba(0, 0, 0, 0.3);
}
.subnav ul li {
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
}
.subnav ul li a{
    font-size: 14px;
    color: #fff;
}
.subnav ul li a:hover{
    color: #00a4ff;
}
.subnav ul li a span{
    float: right;
}
.course{
    float: right;
    width: 230px;
    height: 300px;
    margin-top: 50px;
    background-color: #fff;
}
.course h2{
    height: 48px;
    line-height: 48px;
    color: #fff;
    font-size: 18px;
    text-align: center;
    background-color: #9bceea;
}
.course .bd{
    padding: 0 20px;
}
.course .bd ul li{
    padding: 13px 0;
    border-bottom: 1px solid #efefef;
}
.course .bd ul li h4{
    font-size: 16px;
    color: #4e4e4e;
}
.course .bd ul li p{
    font-size: 12px;
    color: #a5a5a5;
}
.course .bd .course-more{
    display: block;
    height: 38px;
    margin-top: 5px;
    line-height: 38px;
    text-align: center;
    font-size: 16px;
    color: #00a4ff;
    font-weight: 700;
    border: 1px solid #00a4ff;
    background-color: #fff;
}
.goods{
    height: 60px;
    line-height: 60px;
    margin-top: 10px;
    background-color: #fff;
    box-shadow: 0 2px 2px 2px rgba(0, 0, 0, 0.1);
}
.goods h4{
    float: left;
    margin-left: 35px;
    font-size: 16px;
    color: #00a4ff;
}
.goods ul{
    float: left;
    margin-left: 33px;
}
.goods ul li{
    float: left;
}
.goods ul li a{
    padding: 0 30px;
    font-size: 16px;
    color: #050505;
    border-left: 1px solid #ccc;
}
.goods ul li a:hover{
    color: #00a4ff;
}
.goods .mod{
    float: right;
    margin-right: 28px;
    font-size: 14px;
    color: #00a4ff;
}
.box{
    margin-top: 35px;
}
.box .hd{
    height: 42px;
}
.box .hd h3{
    float: left;
    width: 180px;
    font-size: 20px;
    /* font-weight: 400; */
    color: #494949;
}
.box .hd>a{
    float: right;
    margin-top: 10px;
    margin-right: 30px;
    font-size: 12px;
    color: #a5a5a5;
}

.box .hd .grade{
    float: left;
    margin-top: 5px;
    margin-left: 180px;
}
.box .hd .grade ul li{
    float: left;
    margin-left: 60px;
}
.box .hd .grade ul li a{
    font-size: 14px;
    color: #868686;
}
.box .hd .grade ul li:nth-child(1) a{
    color: #00a4ff;
}
.box .hd .grade ul li a:hover{
    color: #00a4ff;
}
.box .bd  ul li em{
    position: absolute;
    top:4px;
    right: -4px;
}
.box .bd  ul li em img{
    width: 40px;
    height: 24px;
}
.box .bd ul{
    width: 1225px;
}
.box .bd ul li{
    float: left;
    position: relative;
    margin-right: 18.75px;
    margin-bottom: 15px;
    height: 270px;
    width: 225px;
    background-color: #fff;
}
.box .bd ul li:hover{
    transform:translateY(-3px);
    transition: all  .1s  ease-in;
}
/* .box .bd ul li:nth-child(5){
    margin-right: -20px;
} */
.box .bd ul li img{
    width: 100%;
}
.box .bd ul li h4{
    height: 38px;
    margin: 20px 15px 20px 23px;
    font-size: 14px;
    color: #050505;
}
.box .bd .info{
    margin-left: 25px;
    color: #999;
    font-size: 12px;
}
.box .bd .info span{
    color: #ff7c2d;
}


.box2{
    margin-top: 20px;
}
.box2 .hd{
    height: 42px;
}
.box2 .hd h3{
    float: left;
    width: 180px;
    font-size: 20px;
    color: #494949;
}
.box2 .grade{
    float: left;
    margin-top: 5px;
    margin-left: 180px;
}
.box2 .grade ul li{
    float: left;
    margin-left: 60px;
}
.box2 .grade ul li a{
    font-size: 14px;
    color: #868686;
}
.box2 .grade ul li:nth-child(1) a{
    color: #00a4ff;
}
.box2 .grade ul li a:hover{
    color: #00a4ff;
}
.box2 .hd>a{
    float: right;
    margin-top: 10px;
    margin-right: 30px;
    font-size: 12px;
    color: #a5a5a5;
}
.box2 .bd .left{
    float: left;
    width: 229px;
    height: 392px;
}
.box2 .bd .right{
    float: left;
    width: 957px;
    height: 392px;
    margin-left: 14px;
}
.box2 .bd .right .top-banner{
    width: 100%;
    height: 100px;
}
.box2 .bd .right .goods-item{
    margin-top: 21px;
    width: 972px;
    height: 270px;
}
.box2 .bd .right .goods-item ul li{
    float: left;
    margin-right: 15px;
    height: 270px;
    width: 228px;
    background-color: #fff;
}
.box2 .bd .right .goods-item ul li:hover{
    transform:translateY(-3px);
    transition: all  .1s  ease-in;
}
.box2 .bd .right .goods-item ul li img{
    width: 100%;
}
.box2 .bd .right .goods-item ul li h4{
    height: 38px;
    margin: 20px 15px 20px 23px;
    font-size: 14px;
    color: #050505;
}
.box2 .bd .right .goods-item .info{
    margin-left: 25px;
    color: #999;
    font-size: 12px;
}
.box2 .bd .right .goods-item .info span{
    color: #ff7c2d;
}
.footer{
    margin-top: 20px;
    width: 100%;
    height: 316px;
    background-color: #fff;
}
.footer .w{
    padding-top: 30px;
}
.footer .copyright{
    float: left;
    margin-left: 20px;
    width: 445px;
    font-size: 12px;
    color: #666;
}
.footer .copyright p{
    margin: 25px 0 15px 0px;
}
.footer .copyright a{
    display: block;
    height: 37px;
    line-height: 37px;
    text-align: center;
    width: 120px;
    font-size: 16px;
    color: #00a4ff;
    border: 1px solid #00a4ff;
}
.footer .links{
    float: right;
    margin-right: 30px;
}
.footer .links dl{
    float: left;
    margin-left: 130px;
}
.footer .links dl dt{
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 16px;
    color: #333333;
}
.footer .links dl dd a{
    font-size: 12px;
    color: #333333;
}
.footer .links dl dd a:hover{
    color:#00a4ff;
}